With a population of around 14,600, Wau sits in Morobe Province, Papua New Guinea. The city operates in the Pacific/Port Moresby time zone.
In 2025, Wau recorded an average annual temperature of 70°F. The hottest temperatures reached 87°F in November; the coolest were 58°F in July. Total precipitation for the year was 93 inches, with the wettest month being March.
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